Extra high-capacity 7.2V Lithium Ion battery compatible with all equipment and accessories using the Sony L-series battery. Equipped with 2 additional outputs, X-Tap & USB, to provide power to multiple accessories at once. X-Tap is an IDX proprietary output port and is different from D-Tap (7V vs 12V), but can also be a charge port using LC-XT1 portable charger. C-XTAP2 is also available to create your own cable for your setup.
The SL-F series are compatible with most Sony and 3rd-party chargers.(Not compatible: Sony AC-VQ1051D)